145093616643 has 4 divisors (see below), whose sum is σ = 193458155528. Its totient is φ = 96729077760.

The previous prime is 145093616623. The next prime is 145093616651. The reversal of 145093616643 is 346616390541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145093616643 - 2¹⁷ = 145093485571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145093616592 and 145093616601.

It is not an unprimeable number, because it can be changed into a prime (145093616623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24182269438 + ... + 24182269443.

It is an arithmetic number, because the mean of its divisors is an integer number (48364538882).

Almost surely, 2^145093616643 is an apocalyptic number.

145093616643 is a deficient number, since it is larger than the sum of its proper divisors (48364538885).

145093616643 is an equidigital number, since it uses as much as digits as its factorization.

145093616643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48364538884.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 145093616643 in words is "one hundred forty-five billion, ninety-three million, six hundred sixteen thousand, six hundred forty-three".